Automatic fuel-saver



D.' K. TEXADA AND J. lN. OKSENHOLT. AUTOMATIC FUEL SAVER.

APPLICATION FILED MAY Io. 1921.

1,390, 179, Pmmdsept. 6, 19m.

raras DAVIDSON JKiiit Tnnana ann inns niniisniv onsmarroni,` or BoYcn, LOUISIANA;

.annemarie runn-savan Specification of Letters Patent.

rateateasept; e; ieei.

Appiieaaon tied March io, iaziif serial No. 415152793;vv

To all whom it may concern/i:

Be it known that we, DavnisoN Tnxiinii and JnNs Niiinsnrzr UKsnNi-ioii'rrcitizenseo'f the United States, residing at Boyce, in the parish of Rapides and State: of Louisiana, "have invented certain new and useful lmprovements in `automatic FuetSavers 5 and we do hereby declare the following tobe kra t ifull, clear, and exact'description ot the in` vention, such as will enable othersslnlled in the art to which it appertains to maire and The invention further has tor an object to provide a simply andfeasily regulated device forming a compact unit for carrying out the above described purposes and which is so'arranged and disposedrelatively tothe various standard disposition of the steam and oil pipes as to bereadily connected thereto and to the valves without requiring any alteration'or modification in the construction ot saidfstandard parts.

'f view, the invention will be more fully de;

fer to like or Correspendingscribed hereinafter, and will be more particularly pointed out in the clai,msappended hereto. K

In the drawings, wherein like symbols repartel throughoutthe severalsviews, Figure 1 is a vertical sectional view oi an automatic control device constructed according to the presentinven'tion and shown in connection with the steam and/'oil pipes connected to a burner and boiler indicated in dotted lines7 the controlv device being in an initial position and the oil and atomizing steam valves being fully open; and

Fig. 2 is a similar view with the valves shown partially closed and the parts of the device in' a second position'.

Referring more particularlyto the dra-wings, 1 and 2 designate respectively atomizing steam and oil `pipes which lead `to a burnerindicated S-rinl dottedlines and placed beneathy a `boiler represented atjLly having a steam-supply pipe' leadingtroni i the domeI thereot and conveying the. ysteam to a point of application.`

lnfthe pipesl and2 are valvesjand 7 ref spectively provided with arms 8 and 9 in which are' made slots 10 and 11 for the passage upwardly therethrough/eta rod12havingspaced apart pairs of washers orcollars 13l and lllpwidei' than the'slotslO'and 11 and actingltorespectively engage above and belowthearms 8 and 9. l

A"pi`ston 15 is carried by the'lower endet" the` rod 12 and is tted to reciprocate in a cylinder lprovidedwith upperand lower screw threaded heads 17 and 18, `the former offwhich has a perforationy 19 provided to slidably receive the rod 12. Acoil spring `2O is wound aboutfthe: rodf12 within the upper portion ofthe cylinders 16 and has its convolutions engaging the` side wall of the cylinder, the spring" at itsends engaging against the head 17 andthe piston 1511espectively. light Vspring which tends to thrust the pis'- ton `15 downwardly to thefinitial positions shown in F ig. 1 and to thereupon shift the valves and 7 through the'rod 12 and the The spring 2O is-a `relativelyarms 8 and 9 to a full open position,` allowingthemaximum quantity of foil and atomizing steam to pass theburner' 3.

lAfsecond-cylinder 21 isprovided in con-y t n junction withthe cylinder 16 and is littedA With the foregoing and other objects in,`

`of the cylinder '21 and provided with a stem 23 entering for a distancethe `helicesof a relatively strong coil: spring 'Qtyinte-rposed between the plunger 22 andan adjusting follower block also "fitted to` reciprocate in the cylinder 21` An adjusting'screw 26 engages at itslower end upon the'iollower bloclrQ and is threaded through a central perforation madel in the cap 27 which has removable screw tlireaded"engagement `with the upper end of the cylinder 21. The base of the cylinder `21 tapers oil.' into `a neclr'28 having a valve 29 therein and connecting at its lower end with a branch ot a T-coupling BOwhich is included in the steam pipe 5. The ycylinders 16 and 21 are `provided with extensions 31 and 32` formed with. flanges 83 and connected together as by boltsV These passages set up a commu- Vtension by the follower block and adjust` ing screw 26 that normal steam pressures in v would affectk in any way the closing of theV lsoV will be noted that the passage 31 communicates with the cylinder 16 beneath thepiston l15 whenin its normal original position, while the passa-ge 32 communicates with the companion cylinder 21 above the plunger 22 which rests in its normal position beneath the passage and acts as a controlling valve to prevent the entrance of steam from normally getting into the cylinder 16.

Steam of course entersl fromV the' pipe 5 up through the neck 28 and into the base of the cylinder 21 beneath the yplunger 22 when, the valvel 29 is opened. The coil spring 24 acts upon the plunger 22 in oppositionto the steam pressure andthis spring is selected to bev of such a strength and it is normally placed under such a condition'of the pipe 5 will not affect the'plunger 22- and the latter will consequently prevent any en'- trance of steam into the cylinderA 16 which oil and atomizing' steam valves 7 and 6. However, should the steam in the pipe VeX- coed tsipredetermined pressure it will act to raise the plunger 22 in opposition to the resistance'of the coil spring 24, for instance to the position indicated'in Fig. 2, thus un? masking the Vpassage 32 and allowing the steam to get over the cylinder 16 beneath the piston 115; vln proportion. to the pressure of thesteam getting into the cylinder 16, the piston will be raised and through they rod 12 andv arms 8 and 9 will act to partially or fullycutvofl the oiland steam to the bur- `ner 3. I

0f course had' bythe use proper selection a variety of adjustments may be of the Vset screw 26' and a of the spring 24 so that the v head of steam in the boilerl may be regulated in this manner.A providing a dou- -ble cylinder arrangement as described in pulsations in the pressure of the steam in will not'be aptto influence the the pipe 5 taken up valves 6 and 7 butV will be directly by the plunger 22 and compensated through the. spring 2a;V 4Then againthe cylinder 21 forms a regulating cylinder'and the cylinder 'i6 Van vactuating cylinder. The regulating cylinder 21 may be entirely removed and substitutedjby .a freshpart `in case of injury or wear or vwhere it is desirable to provide a cylinder of greater ydiameter or greater range of adgustment or strength lof Y spring. Y

All of this 4be done without interferingfwith the yactuating lcylinder 16 and fits connection with the arms of the valve.

rl`he two cylinders form a unit lwhich cooperate together in a simple and ellicient manner and are productive of more uniform and better resultsthan-when only a single cylinder is employed. v

`It is VVobvious that various changes and modifications may be made in the details of construction and design of the above specifically described embodiment of this invention without departing from the spirit thereof, such changes and modifications being restricted only by the scope of the following claims. V Y

1. ln combination with a fuel supply conduit and a steam space, an actuatinglcylinderv and a controlccylinder, a piston' in the actuating cylinder normally and Vyieldingly urged to an initial positiontherein, means whereby saidpiston is connected to control passage of plunger inV said control cylinder normally cutting off steam from the actuating cylinder, and. means for adjustably placing rsaid plunger under compression in oppositionto the steam pressure, substantially, as described. y .i Q2. In combination with a fuel supply conduit having a valve therein, and a steam space, of a control cylinder, a piston therein,

means for urging the piston to an initial position, means connecting the piston with said valve, a controlcylinder in communication with the actuating cylinder and with said steam space, a plunger in the control cylinder normally held in a position to cutoff the fuel through said conduit, aV

communication between the steam space and the actuating cylinder, and means to adjust-y ably tension said plunger, substantially as described.

3. In combination with a fuel supply conduit .having a valve therein, and a steam i pipe, of an actuating cylinder, a piston reciprocating therein, resilient means for urging said piston downwardly to an initial position, a piston rod extending upwardly from said piston and above the cylinder and having connection to said valve forv actuatthe same, a control cylinder communicating at its base with the steam pipe and through its side with the actuating cylinder below said piston, a plunger in said control cylinder normally cutting olf communication .Y ietween the steam pipe and said actuating cylinder, resilient means for holding said plunger in initial position, and means for imposing variable tension onsaid plunger,.

substantially as described. Y n f 4. ln combination with oil and atomizing steam conduits having valves therein, an actuating cylinder, a piston therein, a rod Vcon- ;tively heavy resilient means 4acting uponthe upper side of said plunger, a follower block on the resilient means, and an adjusting device acting upon said follower block to control the compression to which said resilient means is subjected, substantially as described.

5. In combination with a boiler and a fire box having an oil burner therein, oil and atomizing fluid pipes connected with said burner and provided With valves therein,

and a steam pipe connecting with the same l sides of the boiler, of a unitary control device for the burner comprising a control cylinder, a piston therein, a rod extending `from the piston and coupledto actuate said valves, a spring in the cylinder urging said piston to an initial position to hold the valves open, a control cylinder situated close to said actuating cylinder and in communication through the side therewith, said control cylinder also connected to said steam pipe, a piston in the control cylinder, a heavy coil springy thereabove, a follower above the coil spring, and an adjusting screw engaging said i'ollovver, substantially as described.

`DAVIDSON KER TEXADA.

J. N. OKSENHOLT. 

